九年级英语Unit13知识点教案资料
unit13九年级知识点
unit13九年级知识点Unit 13: 九年级知识点Unit 13 is an important unit in the ninth-grade curriculum. In this unit, students will learn various key concepts and knowledge that are essential for their academic growth. This article aims to provide a comprehensive overview of the main topics covered in this unit.1. Solving Equations:One of the fundamental skills students will develop in Unit 13 is solving equations. They will learn different methods such as the balance method and using inverse operations to find the value of an unknown variable. Solving equations is a crucial mathematical skill as it allows us to find unknown values and represent relationships between variables.2. Inequalities:Building upon the concept of equations, students will also learn about inequalities. Inequalities express relationships between variables using symbols such as < (less than), > (greater than), ≤ (less than or equal to), and ≥ (greater than or equal to). Understanding inequalities isessential for solving real-world mathematical problems, such as determining the number of solutions that satisfy certain conditions.3. Graphing Linear Equations:Another important topic covered in Unit 13 is graphing linear equations. Students will learn how to plot points on a coordinate grid and connect them to form a line. Graphing linear equations helps visualize the relationship between two variables and provides a graphical representation of the equation. This skill is crucial in various fields, including science, engineering, and economics.4. Proportional Relationships:Unit 13 also introduces students to the concept of proportional relationships. Proportional relationships exist when two quantities vary in a consistent manner. Students will learn how to identify proportional relationships, represent them using equations or tables, and solve problems involving proportional reasoning. This knowledge is valuable in various real-life scenarios, especially when dealing with rates, ratios, and percentages.5. Similarity and Congruence:Furthermore, students will delve into the realm of geometry in Unit 13 by exploring similarity and congruence. Similar figures have the same shape but differ in size, while congruent figures have both the same shape and size. Students will learn how to identify and apply properties of similar and congruent triangles. These concepts are crucial in fields such as architecture, design, and engineering.6. Pythagorean Theorem:Unit 13 also covers the Pythagorean Theorem. This theorem relates the lengths of the sides of a right triangle and is considered one of the most important theorems in mathematics. Students will learn how to apply the Pythagorean Theorem to solve problems involving right triangles and calculate unknown side lengths. This theorem has significant applications in various fields, including architecture, navigation, and physics.In conclusion, Unit 13 encompasses a range of important mathematical concepts and skills. From solving equations to graphing linear equations, from understanding inequalities to exploring similarity and congruence, and from proportional relationships to the Pythagorean Theorem, students will gain a strong foundation in math through this unit. Mastering these knowledge points will not only equip studentswith essential mathematical skills but also enable them to approach real-world problems with confidence and analytical thinking.。
九年级英语unit13教案
九年级英语unit13教案【篇一：九年级英语第十三单元教案unit 13 we】unit 13 we’re trying to save the earth!一、教学目标：1. 语言知识目标基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin,shark, fin, method, cruel. harmful, chain, ecosystem, industry, law, scientific, afford,reusable, transportation, recycle, napkin, upside, gate, bottle, president, inspiration,iron, work, metal, creativity,基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth.to good use, pull… down, bring back基本句型：we’re trying to save the earth! the river used to beso clean.the air is badly polluted. no scientific studies have showedthat shark fins are good for health.we should help save the sharks.2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
3. 情感目标: 有环境危机意识，学会关注环境保护环境。
二、教学重难点：1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
人教版九年级英语Unit 13 We're trying to save the earth! 全单元教案
Unit 13We're trying to save the earth!本单元围绕环境保护的话题，并用主题图片表现噪音污染、空气污染、水污染等内容，目的是为了让学生对环境的破坏有一个直观的认识，从而激发学生强烈的社会责任感和对未来发展的思考。
Section A的重点是让学生掌握与环境污染和环境保护相关的词汇和句型，同时引导学生关爱动物、保护环境。
教学难点是让学生学会正确使用连词和结合生活实际讲述如何保护环境。
Section B在Section A所学的基础上，进一步谈论如何保护环境。
教学重点是让学生了解环境保护的方式，并落实到积极的行动当中，同时还有阅读策略和写作技巧的训练。
教学难点是让学生在阅读2a文章之后，根据所给词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。
The First Period—Section A(1a－2d)Teaching Important Points【教学重点】Key words & phrases：litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plasticnoise pollution，air pollution，water pollution，be full of，play a part in，turn…into，cut down air pollutionKey sentences：1.Even the bottom of the river was full of rubbish.2.It used to be so clean.3.Everyone in this town should play a part in cleaning it up.4.The air is badly polluted because there are more cars on the road these days.5.The air has become really polluted around here.6.We're trying to save the earth.Key structure：should＋do；used to＋do；have/has＋done；be＋done；be＋doinge．g.Everyone should help to clean up the river.The air has become really polluted.I used to be able to see stars in the sky.The air is badly polluted.Teaching Difficult Points【教学难点】★Practice the structures to talk about pollution and environmental protection.Teaching Aids【教学工具】A tape recorder，CAI or multimedia courseware.Teaching Steps【教学过程】★Step 1Leading in【新课导入】1．Greeting2．Discussion and reviewDiscuss with the students，like this：T：What kinds of pollution are there these days?S：…T：What causes the pollution?S：…3．Review the words and expressions about the topic.★Step 2Cooperative inquiry【合作探究】1．Finish the task in 1a①Show pictures or play videos about pollution and talk about the pollution.②Read these phrases in 1a.Look at the pictures in 1a and say what they see in the pictures.Write down the words and add more words.③Ask students to say out their words in each kind of pollution.2．Finish the task in 1b①Read the instructions.Get the students to read the contents in the chart and think of what they will fill in the blanks.②Play the recording for the first time.Students listen and fill in the words.③Play the recording a second time.Ask them to check the answers.Then ask the questions.Students answer with full sentences.④Ask more questions to help students learn more details.Then play the recording for the students to role－pay the conversation.3．Finish the task in 1c①Show the key words of the conversation.Ask students to retell the contents in the chart.Like this：What：dirty；bottom，rubbish；fishWhy：littering，putting wasteHow：write to，close down；help to clean up②Read aloud the model dialogue in 1c.Then in pairs，do the oral practice with more words.③Ask two pairs to perform in class.4．Finish the tasks in 2a－2b①Use PPT or pictures to show the four kinds of pollution.Get the groups of students to havea competition to say words about the pollution one by one.land pollution：…air pollution：…noise pollution：…water pollution：…②Get the students to write down these words in their notebooks.③Play the recording for the first time.Students listen and circle the kinds of pollution.Check answers with the class.④Read the sentences in 2b.Predict the contents they will fill in.Play the recording.Students listen and complete the sentences.⑤Play the recording again.Check the answers with the whole class.5．Finish the task in 2c①Read the sample conversation in 2c.Then Read the listening materials and discuss in pairs what causes the two kinds of pollution.②Students work in pairs，making dialogues.③Ask three pairs to role－play their conversations to the class.6．Finish the task in 2d①Talk about the picture in 2d.Ask：What are your ideas for solving the air pollution/waste pollution problem？Present the new words in the conversation.Such as，coal，advantage，wooden，plastic，takeaway，bin，…②Read the conversation in 2d quickly.Find out the problems about environmental pollution in the dialogue.③Read the conversation again.Ask the students to find the ways to solve the problems of air and waste pollution.④Read aloud the conversation by the recording.⑤Learn the useful expressions：What are your ideas for doing…To cut down air pollution，we should…So together，our actions can make a difference and…⑥Role－play or read the conversation in pairs until fluently.★Step 3Homework1．What are your ideas for solving the waste pollution problem?2．Write the words about the four kinds of pollution.3．Translate the following sentences into English.(1)我们正在想办法拯救地球。
人教新目标九年级英语全册教案：Unit13
人教新目标九年级英语全册教案：Unit13.教案Save the Sharks!In this lesson。
we will review the use of ns and different tenses。
and XXX issues.To start。
we will set some ground rules for active。
brave。
and confident n in class。
This will help us make the most of our English lessons.Next。
we will watch a short video about the beautiful ocean and its diverse marine life。
This will introduce us to the conceptof the food chain and the interdependence of different species in the ocean ecosystem.Now。
XXX: XXX fierce predators。
XXX the balance of the XXX。
XXX fins。
many shark species are now endangered.To understand the importance of saving sharks。
we will read an article about XXX.As we read。
we will review different tenses and ns such as but。
so。
if。
and although。
These will help us understand the nships een different ideas in the article and make ns to our own XXX.Finally。
人教版九年级英语全册Unit13SectionB3a3b教学设计
3.在口语表达方面，部分学生存在紧张、焦虑情绪，课堂参与度不高，教师应关注学生的情感需求，创造轻松愉快的课堂氛围，激发学生的表达欲望；
4.学生在小组合作中，团队协作能力和沟通能力有待加强，教师需引导学生积极参与，培养学生的合作精神；
（二）讲授新知
1.教学内容：
（1）教师讲解一般现在时和一般过去时的区别与用法；
（2）引入3a-3b阅读材料，带领学生阅读并分析文章中的人物喜好和经历；
（3）讲解wh-疑问词在询问和回答关于个人喜好和经历问题中的应用。
2.教学方法：
（1）采用讲解、示范、举例等方式，帮助学生掌握语法知识；
（2）通过问答、讨论等形式，引导学生运用目标语言进行交流；
5.树立正确的人生观和价值观，引导学生追求积极、健康、向上的生活。
二、学情分析
针对九年级学生，他们在英语学习方面具备一定的基础，但在本章节的学习中，仍需关注以下学情：
1.学生在词汇和语法方面的掌握程度参差不齐，部分学生对表示喜好和兴趣的词汇及一般现在时、一般过去时的运用尚不熟练，需要教师在教学中进行针对性辅导；
（1）创造轻松、愉快的课堂氛围，鼓励学生大胆开口，提高口语表达能力；
（2）组织丰富多样的课堂活动，如角色扮演、小组讨论等，培养学生的小组合作意识；
（3）提供明确的评价标准和反馈，帮助学生了解自己的优势和不足，提高合作能力。
四、教学内容与过程
（一）导入新课
1.教学活动设计：
（1）教师以一首英文歌曲《My Favorite Things》作为课堂导入，激发学生对主题的兴趣；
（3）利用多媒体教学资源，如PPT、动画等，辅助讲解，提高教学效果。
九年级英语下册Unit13单元知识点
九年级英语下册Unit13单元知识点九年级英语下册的Unit13是关于“Education”的单元，主要涉及到教育方面的话题。
在这个单元中，学生们将学习有关学校生活、学科和学习方法的知识。
在本文中，我们将探讨一些重要的知识点，帮助学生更好地理解和掌握这个单元中的内容。
一、学校生活Unit13中涉及到了学校生活的方方面面，例如学校设施、课外活动和课程设置等。
学生们需要学会用英语谈论学校的各个方面，比如说：1. 学校设施：学生可以用英语描述学校的图书馆、实验室、运动场等设施。
例如，The library is well-equipped with a wide rangeof books and resources.（图书馆设备齐全，书籍和资源非常丰富。
）2. 课外活动：学生可以用英语谈论自己参加的课外活动，例如俱乐部、社团或者运动队。
例如，I am a member of the school choir and we often perform in school events.（我是学校合唱团的一员，我们经常在学校活动中表演。
）3. 课程设置：学生可以用英语介绍自己的课程设置，包括学习科目和上课时间等。
例如，In our school, we have English, math, science, history, and PE. Classes start at 8:30 in the morning and end at 4:00 in the afternoon.（我们学校有英语、数学、科学、历史和体育等科目。
上午8:30开始上课，下午4:00结束。
）二、学科与学习方法除了学校生活，Unit13也涵盖了学科和学习方法的知识。
学生们需要掌握如何用英语讨论各个学科的特点和学习方法。
1. 语言学科：语言学科在学习英语的过程中起着重要的作用。
学生们可以用英语阐述学习英语的好处以及一些学习英语的技巧。
九年级英语unit13教案
九年级英语unit13教案教案标题：九年级英语Unit 13教案教案目标：1. 通过本单元的学习，学生能够掌握有关健康和生活方式的词汇和表达方式。
2. 提高学生的听说读写能力，培养他们的英语交际能力。
3. 培养学生的合作学习和自主学习能力。
教学重点：1. 掌握与健康和生活方式相关的词汇和表达方式。
2. 提高学生的听说读写能力。
教学难点：1. 运用所学的词汇和表达方式描述健康和生活方式。
2. 运用所学的语言进行实际情境的交际。
教学准备：1. 多媒体设备和投影仪。
2. 学生课本和练习册。
3. 单词卡片、图片等教具。
教学过程：Step 1: 导入新课 (5分钟)1. 引入新课，与学生讨论有关健康和生活方式的话题。
2. 展示一些图片，让学生猜测图片与健康和生活方式的关系。
3. 引导学生提出一些与健康和生活方式相关的词汇。
Step 2: 词汇学习 (10分钟)1. 教师通过多媒体展示单词卡片，教授与健康和生活方式相关的词汇。
2. 学生跟读单词，并进行词汇拼写和语音练习。
Step 3: 阅读理解 (15分钟)1. 学生阅读课本中与健康和生活方式相关的短文，并回答相关问题。
2. 学生进行小组讨论，分享自己的答案，并与其他小组进行交流。
Step 4: 口语练习 (15分钟)1. 学生分成小组，进行角色扮演，模拟真实生活情境，例如在医生办公室里咨询健康问题。
2. 学生互相提问和回答问题，运用所学的词汇和表达方式进行交流。
Step 5: 写作练习 (15分钟)1. 学生根据所给的提示，写一篇关于自己的健康和生活方式的短文。
2. 学生互相交换作文，进行互评和修改。
Step 6: 总结和作业布置 (5分钟)1. 教师总结本节课的重点和难点，并与学生一起回顾所学内容。
2. 布置作业：要求学生完成练习册中与本单元相关的练习。
教学延伸：1. 鼓励学生自主学习，提供相关的阅读材料和网上资源，让学生进一步了解健康和生活方式的话题。
九年级unit13教案
九年级unit13教案教案标题：九年级Unit 13教案教案目标：1. 通过本单元的学习，学生将能够掌握和运用有关旅行和文化交流的词汇和表达方式。
2. 培养学生的听说读写能力，提高他们的综合语言运用能力。
3. 培养学生的跨文化交流意识和能力，增进对不同文化的理解和尊重。
教学重点：1. 学习和掌握有关旅行和文化交流的词汇和表达方式。
2. 提高学生的听说读写能力，尤其是听力和口语表达能力。
3. 培养学生的跨文化交流意识和能力。
教学难点：1. 学生在听力和口语表达方面的提高。
2. 学生对不同文化的理解和尊重。
教学准备：1. 教材：九年级英语教科书Unit 13部分。
2. 多媒体设备：投影仪、音频设备等。
3. 教学素材：有关旅行和文化交流的图片、视频等。
4. 学生练习册和作业本。
教学步骤：Step 1: 导入（5分钟）通过展示有关旅行和文化交流的图片或视频，引起学生对本单元主题的兴趣。
可以提问学生是否喜欢旅行、是否有过文化交流的经历等，激发学生的思考和参与。
Step 2: 预习（10分钟）让学生预习本单元的课文和词汇，了解本单元的主要内容和目标。
可以让学生自主阅读课文或进行小组讨论，然后提问学生他们对本单元的预期和期望。
Step 3: 听说训练（20分钟）播放本单元的听力材料，让学生听取关键信息并回答问题。
可以设计一些听力练习，如听取旅行计划或文化交流活动的对话，然后让学生进行口头表达。
可以采用小组讨论、角色扮演等形式，鼓励学生积极参与。
Step 4: 读写训练（20分钟）让学生阅读本单元的课文，并进行相关的阅读理解练习。
可以设计一些填空、选择题或简答题，帮助学生理解课文内容和提高阅读能力。
同时，让学生进行写作练习，如写一篇关于自己旅行经历或文化交流活动的短文，培养他们的写作能力。
Step 5: 综合训练（15分钟）设计一些综合性的练习，让学生综合运用本单元所学的知识和技能。
可以设计一些情景对话、角色扮演或小组讨论，让学生在实际情境中运用所学的词汇和表达方式。
新目标九年级Unit13英文教案（共七课时）
新目标九年级Unit 13英文教案(共七课时)unit 13 rainy days make me sad.ⅰ. analysis of the teaching material1. status and functionin this unit, students learn to talk about how things affect them. the topic is meaningful and practical to students, it is very useful. it can help students express their own opinions in their daily life. it continues to train students’ speaking ability and integrating skills.after studying this unit, students will be in charge of their attitude and they can do everything better.（1） the first period mainly gives students listening and oral practice using the target language i’d rather go to the blue lagoon restaurant because i like to listen to quiet music while i’m eat ing. ok, really? loud music makes me energetic. not me! loud music makes me stressed out.（2） the activities in the second period give students more listening and speaking practice as well as grammar focus to practise the target language. the practice can help students improve their listening and speaking skills.（3）the third period provides an article. students learn to get detailed information from the article. it is a basic reading skill, and also it is of great help for students to improve their reading skill.（4） the fourth period not only introduces some new words but also provides students with many different kinds of activities. in this class, students learn how to express their own opinions using the target language.（5）a lot of practice is designed in the fifth period to trainstudents’ reading and writing skills. students also learn how to treat the advertisement from the reading material.（6） all the activities in the last period in this unit are used to provide writing practice using the target language.2. teaching aims and demands（1）knowledge objectsin this unit, students learn to talk about how things affect them, and how to express their own opinions using the target language,（2） ability objectsto train students’ listening, speaking, rea ding and writing skills using the target language,（3） moral objectthe impact of attitude on life is obvious. when go shopping, we should remember not all the ads are great.we have to be careful. in this way, we can buy nothing that we don’t need at all. so we should be in charge of our attitude. that way, we can live happily and we can do everything better.3. teaching key pointto make students learn and master the key vocabulary words and the target language.4. teaching difficult points。
九年级英语unit13 教案
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收
e.g. Throw the rubbish out.把垃圾扔出去。
The room is full of rubbish.房间里堆满了垃圾。
Pick up your litter after a picnic.野餐后将废弃物收拾好。
2.教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to句型。
三、教学准备
四、教学课时7课时
五、教学过程
Period 1
Section A 1(1a-2d)
I. Presentation
Show the picture of the earth and tell students the earth is polluted now.
VI. Listening
1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution B. air pollution
C. noise pollution D. water pollution
Keys: more cars pollute are throwing away public places
III. Listening
1. 1b Listen and complete the sentences.
What was the problem?
The river was _____________. Even the bottom (底部) of the river was full of ________. There were no more ______ for fishermen (渔民) to catch.
九年级Unit13单元教案
人教版英语九年级unit13单元教案一、教学内容及分析本单元教学主要围绕“感受Feelings”这个话题，谈论对某件事或物的看法，以及谈论事物对人的影响。
本单元一开始用音乐、图画、植物、电影等事或物对人的影响，引出本单元的话题和新目标语言，同时学习一些新的词汇和表达。
然后通过阅读有关“饭店科学”的文章，进一步学习新目标语言，谈论事物对人的感情的影响。
随着教学活动的深入，教材又安排了学习日常生活用品和广告等事物对人的影响，并帮助学生学会表达自己对事物的观点。
最后教材进一步升华到学习现实生活中为人处事的感受。
本单元所学习的知识点比较少，本单元主要学习运用make的用法，谈论事物对人的影响。
一些表示感受的形容词在前面学生已经学习过，所以用起来应该是比较简单的。
要求掌握How do you feel about loud music ? Loud music makes me tense .Loud music makes me want to dance .等句型。
学会运用这些句型表达对事物的感受和观点。
我将本单元的目标定位为：1、掌握表示感受的一些形容词的用法。
（interested、happy 、sad 、excited、relaxed、bored、energetic 、nervous 、sick 、comfortable 、angry 、tens 、annoyed 、healthy、hungry、pleased 、upset 、scared 、sleepy、awful 、stressed out）2、主要掌握关于make一些句型：make sb. + adj. ; make sb. + do sth. ; 在被动语态中还原动词不定式符号to 。
根据教材的编排体系，我将本单元分为三大板块（即听说练习、读写练习、巩固运用）。
第一二课时设计以听说为主，主要练习表示感受的形容词的用法以及本单元的重要语法make句型的运用。
九年级unit13单元知识点
九年级unit13单元知识点九年级 Unit 13 单元知识点Unit 13的知识点主要包括以下内容：1. 词汇与短语这个单元我们需要掌握一些新的词汇与短语，比如：- advocate (v.) 提倡，主张- confront (v.) 面对，对抗- obesity (n.) 肥胖，过胖- sedentary (adj.) 坐着的，久坐的- consequence (n.) 结果，后果- investment (n.) 投资- boost (v.) 提高，增强- restrict (v.) 限制，约束- excessive (adj.) 过度的，过量的- intake (n.) 摄入，吸入2. 语法本单元的语法重点主要在于从句和它的用法。
具体包括：- 定语从句：介绍定语从句的定义和使用，包括关系代词和关系副词的运用。
- 状语从句：介绍状语从句的定义和使用，包括时间、条件、地点、原因、结果和让步等多种类型。
- 名词性从句：介绍名词性从句的定义和使用，包括主语从句、宾语从句和表语从句。
3. 阅读理解在本单元的阅读理解中，我们会使用所学的词汇和语法知识来理解文章的意思，并回答相关问题。
通过阅读不同类型的文章，可以提高我们的阅读理解能力和词汇理解技巧。
4. 写作技巧在写作方面，我们将学习如何写一篇辩论性或议论性的文章。
通过选取合适的观点、提供充足的论据和结构化的写作形式，我们可以有效地表达我们的观点和支持我们的论点。
5. 实践与应用在本单元中，我们将通过小组讨论、口头报告或辩论等形式，将所学的知识与实际应用相结合。
这样可以更好地培养我们的思维能力、口头表达能力和团队合作能力。
总结：九年级 Unit 13的单元知识点主要包括词汇与短语、语法（从句的用法）、阅读理解、写作技巧以及实践与应用。
通过学习这些知识点，我们可以提高我们的词汇量、语法能力、阅读理解能力、写作技巧，并将所学的知识应用于实际生活中。
九年级英语unit13重要知识点
九年级英语unit13重要知识点九年级英语Unit 13重要知识点Unit 13是初中英语教材中的一部分，涉及了一些与环境保护有关的话题。
在这个单元中，学生将学习如何谈论环境问题，如何提出和解决问题，并了解环境保护的重要性。
下面是该单元的一些重要知识点。
一、环境问题的表达在Unit 13中，学生将学习如何表达与环境问题相关的词汇与短语。
例如，"pollute"意为污染，"recycle"意为回收利用，"environment"意为环境等。
学生需要掌握这些词汇的拼写和用法，并能在适当的情境中运用它们。
二、提出环境问题与解决方法学生将学习如何提出环境问题并给出解决方法。
例如，他们可以说"Too much garbage is produced every day. We should encourage people to recycle"，意为每天产生太多垃圾，我们应该鼓励人们进行回收利用。
他们需要学会用简洁明了的语言描述环境问题，并提出解决办法。
三、环境保护的重要性在Unit 13中，学生将认识到环境保护的重要性。
他们将了解到环境问题对我们的生活和健康造成的影响。
通过学习相关的话题和案例，他们将体会到保护环境的必要性，并能够提出自己的观点和建议。
四、环境组织和活动在这个单元中，学生将了解一些相关的环境组织和活动。
例如，他们将学习到"Greenpeace"是一个重要的国际环保组织，他们常常参与各种环保活动，如清洁海滩、植树等。
学生需要了解这些组织的目标和使命，并对这些活动有一定的了解。
五、短文阅读与写作在Unit 13中，学生将进行一些短文的阅读与写作。
他们将学习如何理解有关环境问题的文章，并回答相关问题。
同时，他们还需要用英语写一篇关于环境问题的短文，表达自己的观点和建议。
这将提升学生的阅读理解和写作能力。
九年级英语Unit13知识点教案资料
九年级英语Unit13《We're trying to save the earth!》知识点②过去已经开始一直持续到现在的动作或状态：强调继续I have lived here since 1990.现在进行时 1.现在完成时的构成have/has+过去分词定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
现在完成时的四个基本句型+ am/is/are + V-ing 肯定句: 主语①结构:肯定句主语+ am/is/are + not + V-ing He has finished the work. ②否定句: 一般疑问句疑问句③: Am/Is/Are + 主语+ V-ingHas he finished the work?否定句1）表示说话时正在进行的，目前正在发生的动作。
He has not finished the work. 用法：两回答Yes ,he has. Look! The big bird is flying away. ②He is watching a movie now. No, he hasn't. ①特殊疑问句What has he done? ）表示目前一段时间内正在进行，但说话时可能没有进行的动作。
2在下列情形下用现在完成时Right now I am studying Chinese by distance learning. 我现在正通过远程教育学1九词语习汉语。
①now, right now, at the (very) moment, already 已经肯定句中或句尾I have already found my pen. = I have found , 1) 2)常带有表示目前时刻的时间副词如：my pen already.for the time being, at present, these days 及Look! Listen! ...②yet已经否定句和疑问句句尾与3）always, constantly, forever, all the time等副词连用，表示动作反复或习惯。
人教版九年级全一册unit13知识点
人教版九年级全一册unit13知识点标题：人教版九年级全一册《unit13》知识点解析与思考导读：九年级全一册《unit13》是人教版九年级英语教材中的一个重要单元。
本文将对该单元的知识点进行深度的解析与思考，以帮助同学们更好地理解和掌握。
1. 相似前缀词汇在本单元中，我们学习了许多具有相似前缀的词汇，比如“inter-”和“under-”。
这些前缀使得单词具有相似的含义，并且能够帮助我们快速理解这些单词的意思。
例如，“interest”（兴趣）和“international”（国际的）都含有“inter-”前缀，表明它们与“交流”、“联系”等概念相关。
这种词汇的积累与运用，大大拓展了我们的词汇量和表达能力。
2. 动词的不定式和动名词在本单元的语法部分，我们学习了动词的不定式和动名词。
不定式由“to”和动词原形构成，能够表示以动作为目标的动作或状态。
动名词则由动词-ing形式构成，能够表示动作的性质或目的。
通过学习不定式和动名词，我们可以更准确地表达自己的意思，丰富语言表达能力。
3. 同义词和反义词的运用在阅读部分，我们遇到了许多同义词和反义词。
通过了解和掌握这些词汇，我们可以更好地理解文章的意思，从而更好地理解整个单元的内容。
例如，在阅读文章中，我们了解到同义词“hear”和“listen”的区别，前者表示接收到声音，后者则表示有意识地倾听。
通过研究这些同义词和反义词的使用，我们可以进一步提高我们的语义理解能力。
4. 教育的重要性本单元的主题是“教育”，通过阅读和讨论，我们了解到教育对个人和社会的重要性。
教育不仅能够提供知识和技能，还可以塑造个人性格，并提高人们的社交能力。
在现代社会，一个国家的教育水平往往决定了这个国家的发展水平。
因此，我们应该珍惜好学校和老师，勤奋学习，为自己的未来创造更多机会。
5. 跨文化交流的重要性本单元中的阅读和听力素材涉及到了不同文化之间的交流。
通过学习这些素材，我们了解到跨文化交流的重要性。
九年级英语unit13教案12课时
九年级英语unit13教案1-2课时九年级英语unit13教案（1-2课时）Unit 13 Rainy days make me sad．第一课时：1．Knowledge Object（1）Key Vocabulary sad, energetic, stressed out, soft （2）Target LanguageI’d rather go to the Blue Lagoon Restaurant bec ause I like to listen to quiet music while I’m eating． Oh, really? Loud music makes me energetic． Not me! Loud music make s me stressed out． 2．Ability Objects（1）Improve students’listening ability．（2）Help students to express their opinion freely． 3.Teaching ProceduresStep ⅠRevisionT: Yesterday we finished Unit 12．In this unit, we learned h ow to tell what we are supposed to do．Now tell me some th ings that are good to do in school and that are not good to do in school． S1: We’re supposed to do our homework every day． S2: We’re supposed to raise our hands before we talk． S 3: We’r e supposed to come to class on time． S4: We are not supposed to be late for class． S5: We’re not supposed to e at in class． T: Very good．You’re right．From now on, we’ll learn Unit 13．Look at the following list of activities o n the blackboard: parties, exams, school vacations, gym class．How do you feel about parties? Happy? Excited? Nervous?StepⅡ1aThis activity introduces new vocabulary and provides oral practi ce using the target language． Go through the instructions and look at the two pictures．Ask, Who can describe the interior of each restaurant? （Rockin Restaurant has red walls, ugly p aintings on the walls, and loud music．The Blue Lagoon has b lue walls, plants, flowers, and a piano player．）Say, Which restaurant would you rather go to? Talk about it with your parter． Let students work in pairs, and tell each other which restaurant they would like to go to and why．When students work, go around the classroom offering help as needed．When they have finished talking to each other, call out several p airs to say their conversations to the class． Step Ⅲ1bThis activity gives students practice in understanding the targe t language in spoken conversation． Ask students to read the instructions． Look at the chart and point out the two headings: The Rockin’Restaurant and The Blue Lagoon． Check the answer s with the whole class． AnswersThe Rockin’Restaurant: sad, tenseThe Blue Lagoon: relaxed, sleepyNotes: 1．awful――terrible;dreadful 2．energetic――full of energy Step ⅤSummary Step ⅥHomeworkReview the target language． Step ⅦBlackboard DesignUnit 13 Rainy days make me sad． A: I’d rather go to the Bl ue Lagoon Restaurant because I like to listen to quiet music while I’m eating． B: Oh, really? Loud music makes me energeti c． A: Not me! Loud music makes me stressed out．第二课时1．Knowledge Objects（1）Key Vocabulary tense, have fun, angry, cry．（2）Target Language Loud music makes me tense．Loud music makes m e want to dance．That movie made me sad． 2．Ability Object s（1）Train students’listening ability．（2）Train students’speaking ability． 3．Teaching Procedures Step ⅠRevision Check homework．Invite a pair of students to read the convers ation in Activity 1c． Then let some pairs act out their conve rsations according to the pictures in Activity 1a and Activity 1c． Step Ⅱ2aThis activity gives students practice in understanding the targe t language in spoken conversationLook at the pictures．Ask, What are they doing? Please guess ．（In Picture 1, two women are eating and smiling．Maybe t he food is very delicious．In Picture 2, the two women are crying．Maybe they are seeing a sad movie．In Picture 3, on e of the two women is very tense that because of the loud m usic．In Picture 4, one woman is waiting for the bus or som eone．Waiting makes her angry．） AnswersThe pictures should be numbered in this order: （down）3 24 1 Step Ⅲ2bThis activity provides guided listening practice using the targe t language．Go through the instructions and point to the list of statements． You will hear the same recording again． This time listen carefully to what each person says．Put a checkma rk in front of the statements you hear． Look at the sample a nswer．On．the tape Tina says, Waiting for her made me angr y, so a checkmark goes in front of this sentence．Play thetape again．Let students check the sentences they hear． Ask s tudents to say the reasons why they check them． Check the ans wers with the class．StepⅣ2cThis activity provides oral practice using the target language． Step ⅤGrammar Focus。
九年级英语unit13教案
教学目标教学目标与要点1．掌握且能熟练运用有关人口的问答：What's the population of…? It's about…2．能快速、正确地表达任何一个数字，且能书写正确。
3．掌握本单元的词汇和短语的用法，特别是hour after hour, prefer to…rather than…, be busy doing, faster and faster等的用法。
4．学习过去将来时态的构成和用法，掌握它的否定式、肯定式、疑问式及其简略答语，及它用于宾语从句中与主句时态的关系。
5．认真学习"Standing room only"，明白控制人口迅速增长的重要性，设想一下有哪些方案可以缓解人口的快速增长。
Lesson 49Period: The First PeriodContent: Lesson 49Properties: Recorder; Overhead Projector; flashcards.Teaching Objectives:1. Let the students say the numbers.2. Learn some new words and useful expressions.Language focus:population, million, billion, increase, grow, What’s the population of Germany?Teaching Procedures:I. Showing tile teaching aimsII. RevisionRevise the numbers between 1 and 100.III. PresentationUse flashcards or numbers on the blackboard to revise one hundred, present a thousand in the same way. Then present ten thousand/ a hundred thousand/ a million and a billionGive the students plenty of practice in reading these numbers. Point out the differences between English and Chinese for 10 000 and 100 000.IV. DrillPart 1. Play the tape for the students to listen and repeat. Show numbers on the blackboard, to give the students more practice in saying the numbers. V. PresentationPresent more difficult numbers, then go through the model. Point out how commas are used. Let the students try to say the numbers in this exercise. Hay the tape for the students to listen and repeat.VI. PracticePart 3, using a map of the world, go through contents of the table. Learn the meaning of population.For example:1. Our city has a population of two billion.2. What’s the population of Tianjin?3. China has the largest population of the world.Ask the students some questions, using the model give n, e.g.: What’s the population of…? What about the population of…? Finally, get the students to ask and answer in pairs.VII. Exercises in classLet the students do enough practice in reading the numbers.Have a dictation.1. What’s the population o f France? About fifty - eight million.2. The worlds population was about 5 300 million in 1990.3. Nine billion, eight hundred and seventy - three million, four hundred and twenty - five thousand, two hundred and sixty - one.Work in groupsShow a picture of the numbers of World’s population. Teacher speak out the names of country or city, and ask the students speak out each number one by one in their group. And then ask the other group to practise this again. Whose sound is correct and clearly? Whose number reading is best?VIII. Homework1. Revise the numbers2. Make five partners in asking the population.Lesson 50Period: The Second PeriodContent: Lesson 50Properties: Recorder; Overhead Projector; Pictures.Teaching Objectives:1. Understand the text.2. Learn some useful words and phrases.Language Focus: room, hour after hour.Teaching Procedures:I. Showing the teaching aimsII. RevisionGet the students to revise the numbers first, then give them a dictation:A. 173B. 6854C. 17 000D.456789E.88990F.378565214. Finally check their answers.III. Leading inAsk: Do you know what the population of China or any other country in the world is? Then say: Today we're going to read about the world’s population. The world’s population is growing very fast. It is a big and serious problem. Can you tell me the reasons? Let the students discuss and help them answer with: “There isn't enough food, work for too many people. There aren't enough houses…” etc.Let the students read the questions at the top of the page, get them to know very clearly, then ask them to read the passage quickly. And answer the questions.IV. ReadingGet the students to look at the Exercise below:1. How many babies are born in one hour?2. What do you think is the greatest challenge of the world today?3. How is the world’s population growing?4. When was the population over 6 billion?5. What will happen in about 600 years?Go through the questions, then read the passage more carefully, try to find all the answers in the reading. Discuss the answers with the classmates. The students should understand the meaning of the words such as: earth, mouth, space and century from the context. Let them note the use of comparative of adjectives and adverbs in the passage. Finally check the answers with the whole class.V. PracticeLet the students know a little more knowledge about the world’s population.The world’s population is now over 60 billion. It's likely to reach 10 billion by the middle of the 21st century. The Third World population is rising rapidly,straining health and education systems, hitting the environment, causing explosive urban growth and complicating food supply. So population has become a serious problem. The reading passage in this lesson aims to draw the student －concern about this great world problem.VI. Language FocusGet the students to know how to use the following word and expressions.1. room: I’m afraid, there is no room ( space ) for us on the bus.This big bag takes up too much room.Let me make room for our teacher.2. hour after hour: The clock goes on striking hour after hour.Peter stayed in bed day after day.Year after year went by, she still didn't receive her son's news.VII. WorkbookDo Exercises 2 and 3 individually, then check the answers with the whole class.The answers to Exercise 2: about, not, Multiply by. Hour after hour, fast, developing, problem, developed, slow down.The answers to Exercise 3: 1. hardly 2. at the beginning of 3. path 4. worth 5. Beg your pardonVIII. ConsolidationGo through the passage again. Discuss the problems that the population explosion will bring. Get the students to use as much English as possible.Exercises in classWrite a short passage about the population,1. 人口问题是世界上最大的问题之一。
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九年级英语Unit13《We're trying to save the earth!》知识点1.现在进行时定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
结构: ①肯定句: 主语+ am/is/are + V-ing②否定句: 主语+ am/is/are + not + V-ing③疑问句: Am/Is/Are + 主语+ V-ing用法：1）表示说话时正在进行的，目前正在发生的动作。
①Look! The big bird is flying away. ②He is watching a movie now.2）表示目前一段时间内正在进行，但说话时可能没有进行的动作。
Right now I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。
1) 2)常带有表示目前时刻的时间副词, 如：now, right now, at the (very) moment, for the time being, at present, these days 及Look! Listen! ...3）与always, constantly, forever, all the time等副词连用，表示动作反复或习惯。
此时句子常含有说话者的强烈情感在内。
表达较强的“责备”或“表扬”之意①You are always changing your mind. 你总是主意不定。
(太烦人了)②He is always helping others.他总是帮助别人。
(他真是个好人)4）对于come, go, leave, arrive, start, fly, drive等表示位置移动的动词常可用进行时态表将来。
①He is leaving on Wednesday.②Mary isn’t here at the moment. She is coming later.2. used to do过去常常做某事见第四单元及use用法be/get used to doing 习惯于做某事be used to do=be used for doing 被用来做某事3. 被动语态见第五单元注意：接双宾语的词的被动语态；make /let /have sb do的被动语态；see/ hear /notice /find /observe/notice sb do 的被动语态；It’ssaid/reported/believed/supposed/well-known that；及无被动语态的三种情况（感官动词、不及物动词、sell/write等）4. 现在完成时:用法：①过去发生的动作对现在造成的影响或结果：强调结果Yesterday I finished my homework, that’s to say, I have finished my homework now. ②过去已经开始一直持续到现在的动作或状态：强调继续I have lived here since 1990.现在完成时的构成have/has+过去分词现在完成时的四个基本句型肯定句He has finished the work.一般疑问句Has he finished the work?否定句He has not finished the work.两回答Yes ,he has. No, he hasn’t.特殊疑问句What has he done?在下列情形下用现在完成时1九词语①already 已经肯定句中或句尾I have already found my pen. = I have found my pen already.②yet已经否定句和疑问句句尾I have not finished the work yet.Have you bought a computer yet?③ever曾经句中Have you ever seen pandas?④never从不句中I have never been to Beijing.⑤just刚刚句中I have just done my work.⑥before以前句尾I have never been there before.⑦so far到目前为止So far he has learned 200 words.⑧how long多久How long have you lived here?⑨how many times多少次How many times has he been to Beijing?2两词组have<has>gone to去了某地例：He has gone to Beijing (去了北京，没回) have<has>been to去过某地例：He has been to Beijing. (去过北京，回了) 3两结构for two months for +一段时间 Jim has lived here for 2 months.since last year since +过去时间点 Lucy has been in Beijing since 3 years ago. since 3 years agosince 1990since he came here since +过去时态句子 He has been in China since he came here.4如果句子里面没有时间状语，汉语意思能够加“已经”，往往用现在完成时态。
Have you lost your library book? 你已经弄丢了从图书馆借的那本书吗？5现在完成时态还常常用于下列句型They have planted many trees in the last/past few years.This is the best book I have ever read.It is the first time I have played the computer games.在现在完成时中，一次性动词不能和一段时间状语连用例：He has bought the book for 3 years.（错）因buy这个一次性动词不能和一段时间for 3 years连用, 改正的办法有：He has bought the book. (去掉一段时间for 3 years)He bought the book 3 years ago (改为一般过去时，使句子的意思不变)It’s/It has been 3 years since he bought the book. = 3 years has passed since he bought the book. （改为固定句型It is/It has been ---since---）He has had the book for 3 years.（用延续性动词have代替buy）另外①come/arrive/get to/reach → be hereI have come here for 3 years.（错）改为：I have been here for 3 years.②leave/go →be away He has left for 3 hours.（错）改为：He has been away for 3 hours.③begin/start →be onThe film has begun for 3 minutes.（错）改为：The film has been on for 3 minutes.④open →be open / close → be closedThe shop has opened for 3 years.(错)改为：The shop has been open for 3 years.⑤die →be deadHis father has died for 3 years.(错)改为：His father has been dead for 3 years.⑥finish/end→ be overHe has finished the work for 3 days.(错)改为：The work has been over for 3 days⑦join I have joined the army for 3 years.（错）改为：I have been in the army for 3 years. 或I have been a soldier for 3 years.⑧buy /catch → haveI have bought the bike for 3 years.（错）改为：I have had the bike for 3 years.He has caught a cold for 3 days.（错）改为：He has had a cold for 3 days.⑨borrow → keepI have borrowed the book for 3 years. （错）改为：I have kept the book for 3 years.还有其它的归纳如下：break → be broken get up → be up marry → be married become → be lose → be lost5. 情态动词1) 情态动词本身有一定的词义，表示说话人的情绪、态度或语气，但不能单独作谓语，只能与其他动词构成谓语。
常见的有：can (could), may (might), must, need, shall (should), will (would)等。
2) 情态动词无人称和数的变化, 后接动词原形。
否定式是在情态动词后面加not。
个别情态动词有过去式形式, 也可用来表达更加客气、委婉的语气。
1.can和could的用法(1)can/could 表示“能力；许可；可能性”等。
could 为can 的过去式。
如：Can I use your bike?(2)can 用在疑问句中，表示征求意见、请求许可，答语仍用can; could 用在疑问句中，比can 更委婉、客气，是一种礼貌的说法，并不表示过去时态，答语用can，而不能用could。
如：—Could you tell me the way to the zoo?—Sorry. I can't. I'm new here。
[注意] can 和could 只能用于现在时和过去时两种时态，将来时中用be able to。